Learn to play guitar like a star with Star Scales HD. We also have an original action puzzler that will leave you seeing colors, and a fitness app that will help you smash through the 100 push-ups barrier.

All app prices are subject to change at any time and without notice regardless of stated free duration. Price changes are solely under the control of the developers.

Universal:

Take your favorite TRANSFORMERS into battle against your friends in this visually stunning combat card game. Select your faction and roll out as the AUTOBOTS or rise up as the DECEPTICONS. Can't settle on a side? No worries. You're able to collect cards from both sides along the way via campaign missions. Just keep in mind that end goal is to build the perfect deck, so make sure to collect offensive and defensive cards. As you lay waste to your opponents, you'll earn credits that can be used to upgrade your cards. You can also see how well your deck stands up against random foes or your friends in huge online battles. The game includes hundreds of TRANSFORMERS character cards to discover, which feature some absolutely jaw-dropping artwork.
TRANSFORMERS Legends is available for free today only (05/01). It has a 4.5-star rating with a total of 990 ratings.

RRBBYY ($0.99 → Free, 19.3 MB): This original action puzzler requires you to frantically match colored blocks. You're put in control of a single block that can be switched from red, blue, and yellow with a tap. Drag it into like-colored blocks to remove them from the screen before they fall through the bottom. You also want to avoid ramming into blocks that aren't the same color. String together combos to earn more points and earn health back, and smash into modifiers to unleash them. Remember, the sequence goes red, blue, yellow. Trust me, it'll come in handy. The game also includes achievements and leaderboards via Game Center.

RRBBYY is available for free for a limited time. It has a 5-star rating with a total of 5 ratings.

Cheerfish ($0.99 → Free, 20.7 MB): Cheerfish is at his happiest when he touches the stars. Help him become even more cheerful in this casual arcade game. Cheerfish will swim along all on his own. You can help him reach the stars by tapping and holding on the right side of the screen to set the angle and power of his jump, and then release at just the right moment. A direct hit on a star will earn you maximum points, while grazing a star will earn just a few. The game includes five worlds, 50 levels, and achievements and leaderboards via Game Center.

Cheerfish is available for free today only (05/01). It has a 5-star rating with a total of 5 ratings.

Accessbox - Password Tracking and Generation ($0.99 → Free, 7.4 MB): You might already be aware of this, but "password" is not a very secure password. Neither is "123456" for that matter. Stop using the same terrible password for all of your accounts with Accessbox. It's able to randomly generate passwords for you with different lengths and characters. You're also able to categorize and store all of your account information in one place behind a passcode. The app includes search, three filtering options, and iCloud support.

Accessbox - Password Tracking and Generation is available for free for a limited time. It has a 4.5-star rating with a total of 13 ratings.

Tapsteroids ($0.99 → Free, 25.0 MB): Try to protect your fleet of space ships from asteroids in this arcade game. You're able to launch an endless stream of missiles at the approaching asteroids just by tapping on them. Collect ammunition for your backup arsenal to ensure the safety of your fleet and your station. The game also includes three difficulty levels, four weapon types, and achievements and leaderboards via Game Center.

Tapsteroids is available for free today only (05/01). It has a 4-star rating with a total of 81 ratings.

Kids 1st shape puzzle – learn animals, alphabets, numbers ($1.99 → Free, 64.1 MB): An educational puzzle game that will help your child learn to identify and pronounce all kinds of different objects. Each puzzle presents your child with objects one at a time. They must tap and drag them into their correct place to complete the puzzle. When an object is tapped on your child will hear it pronounced, and when it's put into its proper place they will hear the sound it makes. The app includes 16 colorful puzzles and loads of objects.

Kids 1st shape puzzle – learn animals, alphabets, numbers is available for free for a limited time. It has a 4.5-star rating with a total of 18 ratings.

Runtastic Push-Ups PRO ($1.99 → Free, 28.5 MB): Smash through the 100 push-ups barrier with a little assistance from this fitness app. It includes three training plans that will help you safely achieve your goal. The app acts as your personal assistant, as it's able to count your push-ups for you and coach you through audio cues. It also includes personal records, stat tracking, and the ability to share your workouts via Facebook, Twitter, or email.

Runtastic Push-Ups PRO is available for free for a limited time. It has a 5-star rating with a total of 187 ratings.

iPad:

Scrap It: School Days HD ($0.99 → Free, 244.8 MB): Add a special touch to your child's school memories with this digital scrapbooking app. It includes a huge number of stickers, paper styles, ribbons, letters and numbers, and word art items to choose from. Each item can be moved, resized, and rotated via multitouch controls. You can also add photos from your own library and apply a variety of effects to them, and add your own custom text. The app also includes a layer manager, the ability to view multiple scrap pages as a slideshow, and the ability to share your creations via Facebook, Twitter, Tumblr, or email.

Scrap It: School Days HD is available for free today only (05/01). It has a 4.5-star rating with a total of 30 ratings.

Star Scales HD For Guitar ($1.99 → Free, 45.4 MB): Learn to play guitar like a star with this music app. Each scale features fingering and note names in all positions on the fretboard, making it remarkably easy to master a specific pattern. Since each scale and all its patterns are taught one at a time, you won't become overwhelmed. The app includes all blues, rock, and jazz guitar scales, zoom, a random scale pattern generator, and the ability to share scales via email or social networks.

Star Scales HD For Guitar is available for free today only (05/01). It has a 5-star rating with a total of 5 ratings.

That concludes today's issue of Apps Gone Free. If you like staying on top of these daily deals, don't forget to check out our free AppsGoneFree app. It provides all the deals each day, and even an archive of past deals that are still active.

Developers:

If you are a developer who would like to get your app included in our “Apps Gone Free” daily lists, here’s our basic set of rules:

It must have at least a three-star average rating at the time it goes free.

The app must not have been free numerous times (3+) over the last six months.

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To submit an app, simply send a request to [email protected] with the subject “Apps Gone Free.” Please include the name of the app, a link to it in the App Store, when and for how long you intend to offer the app for free, and anything else you would like to share. We will take it from there.